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Cheap flights from Seattle to Ireland from €208

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Ireland departing on 6/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from Seattle to Ireland

Cheap return flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
15:55 - 09:25
SEA
-
DUB
33h 30m
1 stop
Scandinavian Airlines Logo
12:40 - 13:45
DUB
-
SEA
33h 05m
1 stop
€582Scandinavian Airlines
Fri, 14 Aug - Thu, 27 Aug
Scandinavian Airlines Logo
15:55 - 09:25
SEA
-
DUB
33h 30m
1 stop
Scandinavian Airlines Logo
12:40 - 13:45
DUB
-
SEA
33h 05m
1 stop
€584Scandinavian Airlines
Fri, 28 Aug - Mon, 7 Sep
Multiple Airlines Logo
15:40 - 00:35
SEA
-
DUB
24h 55m
2 stops
Multiple Airlines Logo
10:40 - 09:40
DUB
-
SEA
31h 00m
2 stops
€585Multiple Airlines
Mon, 4 May - Tue, 12 May
Turkish Airlines Logo
19:10 - 23:05
SEA
-
DUB
19h 55m
1 stop
Turkish Airlines Logo
05:35 - 17:15
DUB
-
SEA
19h 40m
1 stop
€585Turkish Airlines
Tue, 28 Apr - Tue, 5 May
Scandinavian Airlines Logo
15:55 - 09:25
SEA
-
DUB
33h 30m
1 stop
Scandinavian Airlines Logo
08:45 - 13:45
DUB
-
SEA
61h 00m
2 stops
€586Scandinavian Airlines
Fri, 14 Aug - Sun, 30 Aug
Multiple Airlines Logo
15:40 - 00:05
SEA
-
DUB
24h 25m
3 stops
Multiple Airlines Logo
10:40 - 09:40
DUB
-
SEA
31h 00m
2 stops
€587Multiple Airlines
Sun, 26 Apr - Tue, 12 May
Turkish Airlines Logo
19:10 - 16:00
SEA
-
DUB
36h 50m
1 stop
Turkish Airlines Logo
10:40 - 18:05
DUB
-
SEA
39h 25m
1 stop
€591Turkish Airlines
Mon, 5 Oct - Tue, 3 Nov
United Airlines Logo
07:00 - 07:30
SEA
-
SNN
16h 30m
1 stop
United Airlines Logo
09:30 - 18:59
SNN
-
SEA
17h 29m
1 stop
€639United Airlines
Sun, 6 Sep - Tue, 8 Sep
United Airlines Logo
19:35 - 07:30
SEA
-
SNN
27h 55m
2 stops
United Airlines Logo
09:30 - 17:45
SNN
-
SEA
16h 15m
2 stops
€643United Airlines
Sun, 6 Sep - Tue, 8 Sep
KLM Logo
17:40 - 16:35
SEA
-
ORK
14h 55m
1 stop
KLM Logo
10:50 - 11:42
ORK
-
SEA
32h 52m
1 stop
€839KLM
Mon, 11 May - Mon, 18 May

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Scandinavian Airlines flights from Seattle to Ireland

Our best Scandinavian Airlines deals on Seattle to Ireland flight tickets
Scandinavian Airlines
14 Aug
SEA15:55Seattle/Tacoma Intl
33h 30m
1 stop
DUB09:25Dublin
27 Aug
DUB12:40Dublin
33h 05m
1 stop
SEA13:45Seattle/Tacoma Intl
€582
Scandinavian Airlines
28 Aug
SEA15:55Seattle/Tacoma Intl
33h 30m
1 stop
DUB09:25Dublin
7 Sept
DUB12:40Dublin
33h 05m
1 stop
SEA13:45Seattle/Tacoma Intl
€584
Scandinavian Airlines
14 Aug
SEA15:55Seattle/Tacoma Intl
33h 30m
1 stop
DUB09:25Dublin
30 Aug
DUB08:45Dublin
61h 00m
2 stops
SEA13:45Seattle/Tacoma Intl
€586

TAP AIR PORTUGAL flights from Seattle to Ireland

Our best TAP AIR PORTUGAL deals on Seattle to Ireland flight tickets
TAP AIR PORTUGAL
22 Sept
SEA23:55Seattle/Tacoma Intl
40h 10m
2 stops
DUB00:05Dublin
6 Oct
DUB18:50Dublin
35h 48m
2 stops
SEA22:38Seattle/Tacoma Intl
€623
TAP AIR PORTUGAL
28 Sept
SEA23:55Seattle/Tacoma Intl
26h 05m
2 stops
DUB10:00Dublin
11 Oct
DUB18:50Dublin
35h 48m
2 stops
SEA22:38Seattle/Tacoma Intl
€624

momondo Fare Finder

 
Customise your flight search to find flights from Seattle to Ireland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 15 April 2026.
Use the filters below to find and compare flights from Seattle to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Fri 14/8

15:55-09:25

1 stop33h 30m

Dublin

Thu 27/8

12:40-13:45

1 stop33h 05m

€582

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Fri 28/8

15:55-09:25

1 stop33h 30m

Dublin

Mon 7/9

12:40-13:45

1 stop33h 05m

€584

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 4/5

15:40-00:35

2 stops24h 55m

Dublin

Tue 12/5

10:40-09:40

2 stops31h 00m

€585

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 28/4

19:10-23:05

1 stop19h 55m

Dublin

Tue 5/5

05:35-17:15

1 stop19h 40m

€585

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Fri 14/8

15:55-09:25

1 stop33h 30m

Dublin

Sun 30/8

08:45-13:45

2 stops61h 00m

€586

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 26/4

15:40-00:05

3 stops24h 25m

Dublin

Tue 12/5

10:40-09:40

2 stops31h 00m

€587

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 5/10

19:10-16:00

1 stop36h 50m

Dublin

Tue 3/11

10:40-18:05

1 stop39h 25m

€591
Fastest return journey

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Sun 6/9

07:00-07:30

1 stop16h 30m

Shannon

Tue 8/9

09:30-18:59

1 stop17h 29m

€639

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Sun 6/9

19:35-07:30

2 stops27h 55m

Shannon

Tue 8/9

09:30-17:45

2 stops16h 15m

€643

SeattleCork

SEA - ORK

SEAORK

Seattle/Tacoma Intl

Mon 11/5

17:40-16:35

1 stop14h 55m

Cork

Mon 18/5

10:50-11:42

1 stop32h 52m

€839

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ireland from

How to get the cheapest flight ticket from Seattle to Ireland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ireland?

The month of November is another great option to travel to Ireland, with average flight prices from Seattle averaging around €397.

What is the cheapest Seattle/Tacoma Intl to Ireland flight route?

Fly from Seattle/Tacoma Intl to Dublin for the best Seattle/Tacoma Intl - Ireland flight prices

How far in advance should I book a flight to Ireland?

You are more likely to see cheaper flights to Ireland from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around €521 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Seattle for as low as €425 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to Ireland flights?

There is only 1 cabin class available to choose from on Seattle/Tacoma Intl to Ireland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Seattle to Ireland flights?

No. A direct flight is the cheapest option for a flight between Seattle to Ireland.

Cheap Seattle to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Ireland

Fastest flight time

9h 05m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun

Airports in Ireland

77 airports
The fastest flight from Seattle to Ireland takes 9h 05m
Direct flights go from Seattle to Ireland on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. There are no airlines offering direct flights..
There are 77 airports in Ireland. From Seattle there are direct flights to Dublin (DUB).
Search flight deals

Frequently asked questions about flying from Seattle to Ireland

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Ireland?

    Prices for flights from Seattle/Tacoma Intl Airport to Ireland are updated daily.

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Ireland?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The travel and health documents you'll need for your trip to Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Seattle to Ireland?

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Ireland?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Ireland for you.

Can I find flights from Seattle to Ireland with flexible booking policies on momondo?

momondo does allow users to show only those flights to Ireland from Seattle which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Seattle to Ireland?

momondo helps you find the best flight between Seattle and Ireland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Seattle to Ireland right now. Can momondo alert me if prices change?

Price alerts on flights to Ireland from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Ireland trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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Find better results for your trip to Ireland

Popular Cities in Ireland

Popular flights according to clicks in the last 7 days on momondo
Flights to Dublinfrom €36
Flights to Corkfrom €84
Flights to Shannon, Clarefrom €91
Flights to Milltown (Kerry)from €37
Flights to Donegalfrom €75